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1721 Wright Avenue    La Verne, CA 91750

Tel: 909.445.8168  Fax: 909.445.8169

www.barska.com

© 2008 BARSKA Optics

Printed in China

6-08

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MICROSCOPE

USER MANUAL

MODEL AY11236

40X,100X,400X,1000X

COMPOUND

MODEL AY11232

7X-45X

STEREO ZOOM

MODEL AY11230

20X,40X

STEREO TRINOCULAR

MODEL AY11234

7X-45X

ZOOM STEREO

TRINOCULAR

MODEL AY11240

40X,100X,400X

COMPOUND MONOCULAR

MODEL AY11238

40X,100X,400X

COMPOUND MONOCULAR

MODEL AY11228

20X,40X

STEREO BINOCULAR

BARSKA  warrants  your  micrscope  to  be  free  from  defects  in  materials  and  workmanship  for  one  (1)  year. 

BARSKA  will  repair  or  replace  such  product  or  part  thereof which,  upon  inspection  by  BARSKA, is  found  to  be 

defective  in  materials  or  workmanship.  As  a  condition  to  the  obligation  of  BARSKA  to  repair  or  replace  such 

product, the product must be returned to BARSKA together with proof-of-purchase satisfactory to BARSKA.

The  Proper  Return  Merchandise  Authorization  Number  (RMA)  must  be  obtained  from  BARSKA  in  advance  of 

return. Call BARSKA at (909) 445-8168 to receive the number to be displayed on the outside of your shipping 

container. 

All returns must be accompanied by a written statement setting forth the name, address, and daytime telephone 

number  of  the  owner,  together  with  a  brief  description  of  any  claimed  defects.  Parts  or  product  for  which 

replacement is made shall become the property of BARSKA. 

The customer shall be responsible for all costs of transportation and insurance, both to and from BARSKA, and 

shall be required to prepay such costs.

BARSKA shall use reasonable efforts to repair or replace any microscope covered by this warranty within thirty 

days of receipt. In the event repair or replacement shall require more than thirty days, BARSKA shall notify the 

customer accordingly. BARSKA reserves the right to replace any product which has been discontinued from its 

product line with a new product of comparable value and function. 

This warranty shall be void and of no force of effect in the event a covered product has been modified in design 

or function, or subjected to abuse, misuse, mishandling or unauthorized repair. Further, product malfunction or 

deterioration due to normal wear is not covered by this warranty.

BARSKA  DISCLAIMS  ANY  WARRANTIES,  EXPRESS  OR  IMPLIED,  WHETHER  OF  MERCHANTABILITY  OF  FITNESS 

FOR  A  PARTICULAR  USE,  EXCEPT  AS  EXPRESSLY  SET  FORTH  HEREIN.  THE  SOLE  OBLIGATION  OF  BARSKA 

UNDER THIS LIMITED WARRANTY SHALL BE TO REPAIR OR REPLACE THE COVERED PRODUCT, IN ACCORDANCE 

WITH  THE  TERMS  SET  FORTH  HEREIN.  BARSKA  EXPRESSLY  DISCLAIMS  ANY  LOST  PROFITS,  GENERAL, 

SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES WHICH MAY RESULT FROM BREACH OF ANY WARRANTY, OR 

ARISING  OUT  OF  THE  USE  OR  INABILITY  TO  USE  ANY  BARSKA  PRODUCT.  ANY  WARRANTIES  WHICH  ARE 

IMPLIED  AND  WHICH  CANNOT  BE  DISCLAIMED  SHALL  BE  LIMITED  IN  DURATION  TO  A  TERM  OF  ONE  YEAR 

FROM THE DATE OF ORIGINAL RETAIL PURCHASE. 

Some states do not allow the exclusion or limitation of incidental or consequential damages or limitation on how 

long an implied warranty lasts, so the above limitations and exclusions may not apply to you. 

This warranty gives you specific legal rights, and you may also have other rights which vary from state to state. 

BARSKA reserves the right to modify or discontinue, without prior notice to you, any model or style microscope. 

If warranty problems arise, or if you need assistance in using your microscope contact:

BARSKA

Customer Service Department

Tel. (909) 445-8168

Fax. (909) 445-8169

e-mail: [email protected]

Monday-Friday 8:30AM-5:30PM PST

NOTE: This warranty is valid to U.S.A. customers who have purchased this product from an authorized BARSKA 

dealer in the U.S.A. 

WARRANTY

Summary of Contents for AY11228

Page 1: ...tify the customer accordingly BARSKA reserves the right to replace any product which has been discontinued from its product line with a new product of comparable value and function This warranty shall be void and of no force of effect in the event a covered product has been modified in design or function or subjected to abuse misuse mishandling or unauthorized repair Further product malfunction or...

Page 2: ...ather 1 2 Dry Weather 1 1 4 After use cover the instrument with the plastic dust cover 5 If instrument is to be stored for an extended period of time remove the eyepiece and oculars and store in a moisture proof container MODEL AY11240 AY11238 2 MICROSCOPE USAGE BARSKA Model AY11240 and Model AY11238 are designed for biological studies such as specimen examination They can also be used for examini...

Page 3: ... parts before assembling 2 Attach 4x 10x and 40x objectives to revolving turret 3 Place the specimen on the stage and secure with spring clips NOTE The cover glass must face upward the thinner glass is the cover glass otherwise when the 40x objective is used the specimen cannot be observed Observation is best when the thickness of the cover glass is 0 1 1 1mm and the cover glass is 0 17mm 4 Plug p...

Page 4: ...ustment knob until the image is in sharp focus When using other objectives rotate the fine focus adjustment until the image is in focus Model AY11240 Model AY11238 6 MODEL AY11228 AY11232 MICROSCOPE USAGE BARSKA Model AY11228 and Model AY11232 are designed for biological studies such as specimen examination They can also be used for examining bacteria and for general clinical and medical studies S...

Page 5: ...ATION 1 Remove components from package identify all parts before assembling 2 Tighten the knob on the stand to prevent the elevator from sliding down 3 Fix the binocular body on the stand with the tightening screw 4 Check the input voltage to ensure that it conforms to the microscopes requirement SELECTING THE ILLUMINATION 1 Depending on microscope use select oblique or transmitted illumination 2 ...

Page 6: ...eft eyepiece and bring a specific point into focus using the focus knob b By turning the diopter ring adjustment for the left eyepiece bring the same point into sharp focus c Then bring the same point into focus through the right eyepiece by turning the right diopter ring d With more than one viewer each viewer should note their own diopter ring position for the left and right eyepieces then befor...

Page 7: ...RATION 1 Remove components from package identify all parts before assembling 2 Tighten the knob on the stand to prevent the elevator from sliding down 3 Fix the binocular body on the stand with the tightening screw 4 Check the input voltage to ensure that it conforms to the microscopes requirement SELECTING THE ILLUMINATION 1 Depending on microscope use select oblique or transmitted illumination 2...

Page 8: ...o both eyes at the same time the diopter ring may need adjustment DIOPTER RING ADJUSTMENT 1 To adjust the eyepiece for viewing with or without eyeglasses and for differences in acuity between the right and left eyes follow the following steps a Observe an image through the left eyepiece and bring a specific point into focus using the focus knob b By turning the diopter ring adjustment for the left...

Page 9: ...ce 16 PARTS LIST OPERATION 1 Remove all components from package Identify all parts before assembling instrument 2 Attach 4x 10x and 40x objectives by screwing into revolving turret Tighten and secure to maximum finger pressure only 3 Place the specimen on the stage and secure with spring clips NOTE The cover glass must face upward the thinner glass is the cover glass otherwise when the 40x objecti...

Page 10: ...e wiped off all of the cedar oil OPERATION cont ADJUSTING THE CONDENSER APERTURE 1 The numerical aperture of the condenser should match the numerical aperture of the objective being used 2 To make sure that the objectives are imaging properly especially the 40x and 100x follow this procedure 1 Take off the eyepiece 2 Look through the eyepiece 3 The smallest circle or light that you can see is the ...

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